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Continuous-wave and high-power pulsed operation of index-coupled distributed feedback quantum cascade laser at&lgr;≈8.5 &mgr;m

 

作者: Claire Gmachl,   Federico Capasso,   Je´ro⁁me Faist,   Albert L. Hutchinson,   Alessandro Tredicucci,   Deborah L. Sivco,   James N. Baillargeon,   S. N. George Chu,   Alfred Y. Cho,  

 

期刊: Applied Physics Letters  （AIP Available online 1998）
卷期: Volume 72, issue 12  

页码: 1430-1432

 

ISSN:0003-6951

 

年代: 1998

 

DOI:10.1063/1.120585

 

出版商: AIP

 

数据来源: AIP

 

摘要:

High performance index-coupled quantum cascade distributed feedback (QC-DFB) lasers operating at&lgr;≈8.5 &mgr;mare reported. Reliable dynamic single-mode emission with a side mode suppression ratio⩾30 dBis obtained. The continuous single-mode tuning range is 140 nm. In pulsed operation a record high peak output power of 60 mW at 300 K is achieved. We further report on the first continuous-wave QC-DFB lasers. These devices display an output power of 10 mW at 120 K.

 

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